Perfect Aftermarket Part? 100% Imported NMB Bearing, it is extremely quiet and running smoothly. Quality You Can Trust, aftermarket carrier 326628-763 draft inducer motor assembly kit is made with premium materials and are tested so they last. 326628-763 Furnace Draft Inducer Motor Assembly Includes (1) – Draft Inducer Motor, (1) – Adapter Plug, (1) – Gasket, (3) – Screws, (1) – Instruction Manual. Technical Specifications Voltage: 115, Hertz: 60, RPM: 3000/2000, Insulation Class: B.